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51.
Deirdre E. Logan Lisa J. Meltzer 《Journal of clinical psychology in medical settings》2006,13(3):288-294
Among a subgroup of adolescents with chronic pain syndromes, anxiety about “growing up” appears common and may be exacerbated by developmental transitions. Using the bat mitzvah ceremony as one example of a developmental rite of passage, we present two cases in which adolescent girls facing this transition developed new chronic musculoskeletal pain syndromes or experienced recurrences of pain symptoms. In both cases, the transition to adulthood, symbolized by the bat mitzvah, was associated with anxiety in adolescents who were unusually focused on the negative aspects of becoming independent adults. The aims of this case report are (1) to highlight the role of developmental transitions as a possible factor in the biopsychosocial model of pediatric pain; (2) to illustrate how to address emotional and cognitive responses to these transitions in the context of cognitive-behavioral treatment for pain; and (3) to suggest systematic approaches to investigating this clinically-observed phenomenon in future research. 相似文献
52.
Separating cue encoding from target processing in the explicit task-cuing procedure: are there "true" task switch effects? 总被引:1,自引:0,他引:1
Arrington CM Logan GD Schneider DW 《Journal of experimental psychology. Learning, memory, and cognition》2007,33(3):484-502
Six experiments were conducted to separate cue encoding from target processing in explicitly cued task switching to determine whether task switch effects could be separated from cue encoding effects and to determine the nature of the representations produced by cue encoding. Subjects were required to respond to the cue, indicating which cue was presented (Experiments 1, 3a, and 4a) or which task was cued (Experiments 2, 3b, and 4b), before performing the cued task on the target. Cue encoding was successfully separated from target processing when the cue response indicated which task was cued but not when it indicated which cue was presented. Task switch effects were found when this separation was successful, suggesting that there are "true" task switch effects independent of cue encoding. Analysis of the conditions required for successful separation suggested that cue encoding results in a semantic categorical representation of the task to be performed rather than verbal or phonological representations of individual cues. Implications for the authors' past modeling of task-switching performance are discussed. 相似文献
53.
Some researchers argue that task switching involves task-set reconfiguration-that is, changing the existing task set to perform
a different task. Although this idea is intriguing, it is often unclear what is reconfigured and which processes are involved
in reconfiguration. We addressed these issues by defining task sets, identifying differences between them, and obtaining evidence
that was diagnostic of reconfiguration. In two experiments, subjects performed relative judgment tasks that involved comparing
a target with a reference point that repeated or switched across trials. The task was the same on every trial, but the task
set was not, because a task-set parameter-the reference point-had to be changed. Target-reference point distance effects that
changed with the reference point provided diagnostic evidence that reconfiguration occurred, and this reconfiguration led
to switch costs. We discuss how our approach can be generalized to define reconfiguration more clearly in other task-switching
situations. nt|mis|This research was supported by Grants BCS 0133202 and BCS 0446806 from the National Science Foundation
to G.D.L. 相似文献
54.
In this study, 104 children completed a task, measuring risk decision-making, and the State-Trait Anger Expression Inventory for Children and Adolescents. Subjects were also asked to evaluate the degree of danger, benefit, fun and fear perceived for each risky choice. Analyses indicated that (a) risk decision-making was predicted by both trait anger and outward expression of anger; (b) appraisal of danger fully mediated the relationship between trait anger and risk; (c) perceptions of benefit, scare and fun partially mediated the relationship between trait anger and risk; and (d) appraisal of danger partially mediated the relationship between outward expression of anger and risk decision-making. The results provide evidence for a relationship between dispositional anger and risk decision-making during childhood, suggesting a possible explanation of the mechanisms below. In particular, risk decision-making can be viewed as the output of cognitive and emotive processes, linked to dispositional anger that leads children to be amused, optimistic and fearless in potentially risky situations. These findings substantiate the importance of incorporating cognitive and emotive factors in theories that seek to explain the relationship between personality traits and risk decision-making across a broad age range. 相似文献
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In this research, we investigated whether attention operates in the encoding of automatized information, the retrieval of automatized information, or in both cases. Subjects searched two-word displays for members of a target category in focused-attention or divided-attention conditions that were crossed with block (training vs. transfer). To see whether subjects encoded all available items or only attended items, we compared performance for subjects in different training conditions but in the same transfer condition. Subjects encoded attended items. To see whether subjects retrieved all the items they had in memory, or only items associated with that to which they were attending at retrieval, we compared performance for subjects in the same training conditions but in different transfer conditions. Subjects retrieved attended items. Attention was found to operate at both encoding and retrieval. These findings support the instance theory of automaticity, which predicts the role of attention at encoding and retrieval 相似文献
58.
On the ability to inhibit simple and choice reaction time responses: a model and a method 总被引:20,自引:0,他引:20
G D Logan W B Cowan K A Davis 《Journal of experimental psychology. Human perception and performance》1984,10(2):276-291
This article reports four experiments on the ability to inhibit responses in simple and choice reaction time (RT) tasks. Subjects responding to visually presented letters were occasionally presented with a stop signal (a tone) that told them not to respond on that trial. The major dependent variables were (a) the probability of inhibiting a response when the signal occurred, (b) mean and standard deviation (SD) of RT on no-signal trials, (c) mean RT on trials on which the signal occurred but subjects failed to inhibit, and (d) estimated RT to the stop signal. A model was proposed to estimated RT to the stop signal and to account for the relations among the variables. Its main assumption is that the RT process and the stopping process race, and response inhibition depends on which process finishes first. The model allows us to account for differences in response inhibition between tasks in terms of transformations of stop-signal delay that represent the relative finishing times of the RT process and the stopping process. The transformations specified by the model were successful in group data and in data from individual subjects, regardless of how delays were selected. The experiments also compared different methods of selecting stop-signal delays to equate the probability of inhibition in the two tasks. 相似文献
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